------------[ cut here ]------------ no supported rates for sta (null) (0xffffffff, band 0) in rate_mask 0x0 with flags 0x0 WARNING: net/mac80211/rate.c:401 at __rate_control_send_low+0x610/0x760 net/mac80211/rate.c:401, CPU#3: syz.0.1424/11156 Modules linked in: CPU: 3 UID: 0 PID: 11156 Comm: syz.0.1424 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:__rate_control_send_low+0x621/0x760 net/mac80211/rate.c:401 Code: f7 48 8b 44 24 10 8b ac a8 d4 00 00 00 e8 f7 7b 02 f7 48 8d 3d f0 e9 e3 05 44 8b 44 24 04 48 8b 74 24 10 45 89 f1 89 d9 89 ea <67> 48 0f b9 3a e9 2f fd ff ff 48 8b 7c 24 08 e8 db 07 6f f7 e9 03 RSP: 0018:ffffc900006f8890 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 00000000ffffffff RSI: 0000000000000000 RDI: ffffffff90ea4e00 RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000000c R11: 0000000000000000 R12: ffff888027a5c2a8 R13: ffff888036633128 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f1b7513f6c0(0000) GS:ffff8880d663f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f73a3aba008 CR3: 000000005cf39000 CR4: 0000000000352ef0 DR0: 0000000040000005 DR1: 0000000100000000 DR2: 0000000000000898 DR3: 0000000000000006 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: rate_control_send_low+0x2a8/0x7e0 net/mac80211/rate.c:429 rate_control_get_rate+0x1be/0x5c0 net/mac80211/rate.c:943 ieee80211_beacon_get_finish+0x45a/0x690 net/mac80211/tx.c:5367 __ieee80211_beacon_get_ap+0x76e/0x10d0 net/mac80211/tx.c:5470 ieee80211_beacon_get_ap net/mac80211/tx.c:5532 [inline] __ieee80211_beacon_get+0x14fa/0x1ee0 net/mac80211/tx.c:5638 ieee80211_beacon_get_tim+0xa6/0x280 net/mac80211/tx.c:5780 ieee80211_beacon_get include/net/mac80211.h:5720 [inline] mac80211_hwsim_beacon_tx+0x4d6/0xa00 drivers/net/wireless/virtual/mac80211_hwsim.c:2361 __iterate_interfaces+0x2e6/0x650 net/mac80211/util.c:760 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 net/mac80211/util.c:796 mac80211_hwsim_beacon+0x105/0x1b0 drivers/net/wireless/virtual/mac80211_hwsim.c:2395 __run_hrtimer kernel/time/hrtimer.c:1785 [inline] __hrtimer_run_queues+0x50e/0xa70 kernel/time/hrtimer.c:1849 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1866 handle_softirqs+0x1eb/0x9e0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0xef/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:kasan_quarantine_put+0x95/0x240 mm/kasan/quarantine.c:237 Code: 00 00 00 00 00 48 03 5a 10 48 89 5a 10 48 81 fb 00 00 10 00 0f 87 8d 00 00 00 4d 85 e4 75 75 9c 58 f6 c4 02 0f 85 72 01 00 00 <5b> b8 01 00 00 00 5d 41 5c 41 5d 41 5e c3 cc cc cc cc 9c 58 f6 c4 RSP: 0018:ffffc9000c8ee8d8 EFLAGS: 00000246 RAX: 0000000000000006 RBX: 00000000000063c0 RCX: 0000000000000080 RDX: 0000000000000000 RSI: ffffffff8de782ff RDI: ffffffff8c1b11a0 RBP: ffff88801b842500 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000200 R13: ffff8880407fd8c0 R14: ffffffff8b41fc37 R15: 0000000000000000 kasan_slab_free include/linux/kasan.h:235 [inline] slab_free_hook mm/slub.c:2685 [inline] slab_free mm/slub.c:6165 [inline] kfree+0x1f6/0x6b0 mm/slub.c:6483 p9_virtio_zc_request+0xb27/0x1510 net/9p/trans_virtio.c:556 p9_client_zc_rpc.constprop.0+0x2a9/0x8c0 net/9p/client.c:685 p9_client_read_once+0x428/0x7c0 net/9p/client.c:1448 p9_client_read+0x13f/0x1b0 net/9p/client.c:1411 v9fs_issue_read+0x117/0x390 fs/9p/vfs_addr.c:76 netfs_dispatch_unbuffered_reads fs/netfs/direct_read.c:103 [inline] netfs_unbuffered_read fs/netfs/direct_read.c:142 [inline] netfs_unbuffered_read_iter_locked+0xa76/0x15f0 fs/netfs/direct_read.c:228 netfs_unbuffered_read_iter+0xc5/0x100 fs/netfs/direct_read.c:267 v9fs_file_read_iter+0xbf/0x100 fs/9p/vfs_file.c:366 __kernel_read+0x397/0xac0 fs/read_write.c:532 integrity_kernel_read+0x7e/0xb0 security/integrity/iint.c:28 ima_calc_file_hash_tfm+0x25e/0x350 security/integrity/ima/ima_crypto.c:480 ima_calc_file_shash security/integrity/ima/ima_crypto.c:511 [inline] ima_calc_file_hash+0x18c/0x480 security/integrity/ima/ima_crypto.c:568 ima_collect_measurement+0x887/0xa40 security/integrity/ima/ima_api.c:295 process_measurement+0xdfe/0x2350 security/integrity/ima/ima_main.c:407 ima_file_check+0xc3/0x110 security/integrity/ima/ima_main.c:667 security_file_post_open+0xc4/0x210 security/security.c:2652 do_open fs/namei.c:4673 [inline] path_openat+0x1418/0x31a0 fs/namei.c:4830 do_file_open+0x20e/0x430 fs/namei.c:4859 do_sys_openat2+0x10d/0x1e0 fs/open.c:1366 do_sys_open fs/open.c:1372 [inline] __do_sys_openat fs/open.c:1388 [inline] __se_sys_openat fs/open.c:1383 [inline] __x64_sys_openat+0x12d/0x210 fs/open.c:1383 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1b7419c799 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1b7513f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f1b74415fa0 RCX: 00007f1b7419c799 RDX: 000000000000275a RSI: 0000200000000080 RDI: ffffffffffffff9c RBP: 00007f1b74232c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1b74416038 R14: 00007f1b74415fa0 R15: 00007fff0614e828 ---------------- Code disassembly (best guess): 0: f7 48 8b 44 24 10 8b testl $0x8b102444,-0x75(%rax) 7: ac lods %ds:(%rsi),%al 8: a8 d4 test $0xd4,%al a: 00 00 add %al,(%rax) c: 00 e8 add %ch,%al e: f7 7b 02 idivl 0x2(%rbx) 11: f7 48 8d 3d f0 e9 e3 testl $0xe3e9f03d,-0x73(%rax) 18: 05 44 8b 44 24 add $0x24448b44,%eax 1d: 04 48 add $0x48,%al 1f: 8b 74 24 10 mov 0x10(%rsp),%esi 23: 45 89 f1 mov %r14d,%r9d 26: 89 d9 mov %ebx,%ecx 28: 89 ea mov %ebp,%edx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 2f fd ff ff jmp 0xfffffd63 34: 48 8b 7c 24 08 mov 0x8(%rsp),%rdi 39: e8 db 07 6f f7 call 0xf76f0819 3e: e9 .byte 0xe9 3f: 03 .byte 0x3